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| -rw-r--r-- | src/library.js | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/library.js b/src/library.js index 604c742f..afcea851 100644 --- a/src/library.js +++ b/src/library.js @@ -3566,6 +3566,14 @@ LibraryManager.library = { return chr; }, + isupper: function(chr) { + return (chr >= 'A'.charCodeAt(0) && chr <= 'Z'.charCodeAt(0)); + }, + + islower: function(chr) { + return (chr >= 'a'.charCodeAt(0) && chr <= 'z'.charCodeAt(0)); + }, + // ========================================================================== // ctype.h Linux specifics // ========================================================================== |